/* The same site navigation appears above articles, the atlas, and its editor. */
.site-header {
  background: #444;
  color: #ddd;
  width: 100%;
  display: block;
  position: relative;
  z-index: 10;
  flex-shrink: 0;
  font: 21px/normal 'Cochin', 'Palatino', 'Garamond', sans-serif; }
  .site-header .site-header-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 6px 0;
    display: block; }
  .site-header .site-header-content a {
    color: #fff;
    font-size: 24px;
    margin: 24px 0;
    padding: 2px 4px;
    border-radius: 3px;
    text-decoration: none; }
    .site-header .site-header-content a:first-child {
      font-variant: small-caps; }
    .site-header .site-header-content a:hover {
      background: #dedede; }
    @media (prefers-color-scheme: dark) {
      .site-header .site-header-content a:hover {
        background: #111; } }